# grub.conf generated by anaconda
#
# Note that you do not have to rerun grub after making changes to this file
# NOTICE: You have a /boot partition. This means that
# all kernel and initrd paths are relative to /boot/, eg.
# root (hd0,0)
# kernel /vmlinuz-version ro root=/dev/cciss/c0d0p2
# initrd /initrd-version.img
#boot=/dev/cciss/c0d0
default=0
timeout=5
splashimage=(hd0,0)/grub/splash.xpm.gz
hiddenmenu
title CentOS (2.6.18-92.1.17.el5)
root (hd0,0)
kernel /vmlinuz-2.6.18-92.1.17.el5 ro root=/dev/cciss/c0d0p2
initrd /initrd-2.6.18-92.1.17.el5.img
title CentOS (2.6.18-92.1.13.el5)
root (hd0,0)
kernel /vmlinuz-2.6.18-92.1.13.el5 ro root=/dev/cciss/c0d0p2
initrd /initrd-2.6.18-92.1.13.el5.img
title CentOS (2.6.18-53.el5)
root (hd0,0)
kernel /vmlinuz-2.6.18-53.el5 ro root=LABEL=/1
initrd /initrd-2.6.18-53.el5.img
$ uname -a
Linux (HOSTNAME) 2.6.18-53.el5 #1 SMP Mon Nov 12 02:14:55 EST 2007 x86_64 x86_64 x86_64 GNU/Linux
And yes, I've tried altering the root= lines to match the working kernel, but that didn't work either, and it gets overwritten anyway after every kernel upgrade.